<template>
  <div class="dashboard-container">
    <div class="app-container">
      <page-tools :show-before="true">
        <span slot="before">{{ page.total }}</span>
        <template #after>
          <el-button
            size="small"
            type="success"
            @click="$router.push('/import')"
          >Excel导入</el-button>
          <el-button
            size="small"
            type="danger"
            @click="exportData"
          >Excel导出</el-button>
          <el-button
            icon="plus"
            size="small"
            type="primary"
            @click="showDialog=true"
          >新增员工</el-button>
        </template>
      </page-tools>
      <!-- 放置表格和分页 -->
      <el-card v-loading="loading">
        <el-table
          border
          :data="list"
        >
          <el-table-column
            label="序号"
            sortable=""
            type="index"
          />
          <el-table-column
            label="姓名"
            sortable=""
            prop="username"
          />
          <el-table-column
            label="工号"
            sortable=""
            prop="workNumber"
          />
          <el-table-column
            label="聘用形式"
            sortable=""
            prop="formOfEmployment"
            :formatter="formatEmployment"
          />
          <el-table-column
            label="部门"
            sortable=""
            prop="departmentName"
          />
          <el-table-column
            label="入职时间"
            sortable=""
            prop="timeOfEntry"
          >
            <template v-slot="obj">
              {{
                obj.row.timeOfEntry | formatDate
              }}
            </template>
          </el-table-column>
          <el-table-column
            label="账户状态"
            align="center"
            sortable=""
            prop="enableState"
          >
            <template slot-scope="{row}">
              <el-switch :value="row.enableState===1" />
            </template>
          </el-table-column>
          <el-table-column
            label="操作"
            sortable=""
            fixed="right"
            width="280"
          >
            <template slot-scope="{row}">
              <el-button
                type="text"
                size="small"
              >查看</el-button>
              <el-button
                type="text"
                size="small"
              >转正</el-button>
              <el-button
                type="text"
                size="small"
              >调岗</el-button>
              <el-button
                type="text"
                size="small"
              >离职</el-button>
              <el-button
                type="text"
                size="small"
              >角色</el-button>
              <el-button
                type="text"
                size="small"
                @click="deleteEmployee(row.id)"
              >删除</el-button>
            </template>
          </el-table-column>
        </el-table>
        <!-- 分页组件 -->
        <el-row
          type="flex"
          justify="center"
          align="middle"
          style="height: 60px"
        >
          <el-pagination
            layout="prev, pager, next"
            :page-size="page.size"
            :current-page="page.page"
            :total="page.total"
            @current-change="changePage"
          />
        </el-row>
      </el-card>
    </div>
    <!-- 放置新增组件 -->
    <add-employee :show-dialog.sync="showDialog" />
  </div>
</template>
<script>
import { getEmployeeList, delEmployee } from '@/api/employees'
import EmployeeEnum from '@/api/constant/employees'
import AddEmployee from './components/add-employee.vue'
import { formatDate } from '@/filters'
export default {
  components: {
    AddEmployee
  },
  data () {
    return {
      loading: false,
      list: [], // 接受数据
      page: {
        page: 1,
        size: 10,
        total: 0
      },
      showDialog: false

    }
  },
  created () {
    this.getEmployeeList()
  },
  methods: {
    changePage (newPage) {
      this.page.page = newPage
      this.getEmployeeList()
    },
    async getEmployeeList () {
      this.loading = true
      const { total, rows } = await getEmployeeList(this.page)
      this.page.total = total
      this.list = rows
      this.loading = false
    },
    // 格式化聘用形式
    formatEmployment (row, column, cellValue, index) {
      const obj = EmployeeEnum.hireType.find(item => item.id === cellValue)
      return obj ? obj.value : '未知'
    },
    // 删除员工
    async deleteEmployee (id) {
      try {
        await this.$confirm('您确定删除该员工吗')
        await delEmployee(id)
        this.getEmployeeList()
        this.$message.success('删除员工成功')
      } catch (error) {
        console.log(error)
      }
    },
    exportData () {
      // 导出excel表格
      const headers = {
        '姓名': 'username',
        '手机号': 'mobile',
        '入职日期': 'timeOfEntry',
        '聘用形式': 'formOfEmployment',
        '转正日期': 'correctionTime',
        '工号': 'workNumber',
        '部门': 'departmentName'
      }
      // 懒加载 导出excel

      import('@/vendor/Export2Excel').then(async excel => {
        const { rows } = await getEmployeeList({
          page: 1, size: this.page.total
        })
        const data = this.formatJson(headers, rows)
        const multiHeader = [['姓名', '主要信息', '', '', '', '', '部门']]
        const merges = ['A1:A2', 'B1:F1', 'G1:G2']
        excel.export_json_to_excel({
          header: Object.keys(headers),
          data,
          filename: '员工信息表',
          autoWidth: true,
          bookType: 'xlsx',
          multiHeader, // 复杂表头
          merges// 合并选项
        })
      })
    },
    // 将表头数据和数据对应
    formatJson (headers, rows) {
      return rows.map(item => {
        // item 是一个对象
        return Object.keys(headers).map(key => {
          if (headers[key] === 'timeOfEntry' || headers[key] === 'correctionTime') {
            // 格式化日期
            return formatDate(item[headers[key]])
            // 聘用形式格式化
          } else if (headers[key] === 'formOfEmployment') {
            const obj = EmployeeEnum.hireType.find(obj => obj.id === item[headers[key]])
            return obj ? obj.value : '未知'
          }
          return item[headers[key]]
        })
      })
    }
  }

}
</script>
<style>
</style>
